/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package controller;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import model.Contato;


/**
 *
 * @author andreia
 */
public class FrontController extends HttpServlet {

    @Override
    public void init() throws ServletException {
        super.init();
    } 
    
    /* PADRÃO FAÇADE
     *  Todos os botões e outros controles de interação com o usuário da camada
     * View enviam requisições ao mesmo método (chamado ponto de entrada), que
     * processa a requisição.
     */
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        String action = request.getParameter("action");
        String id = request.getParameter("id");
        Action actionObject = null;


        
        try {

            if(action == null || action.equals("")){
                response.sendRedirect("index.jsp");
            }



            actionObject = ActionFactory.create(action);

            // if(actionObject != null){
            //     actionObject.execute(request, response);
            // }

            if(actionObject != null){
                out.println(actionObject.toString());
                actionObject.execute(request, response, id);
            }
        } finally {
            out.close();
        }
    }         

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
